Home / 18,786.16-25,924.85-10,828.34

Finding the Fourth Proportional to 18,786.16, 25,924.85 and 10,828.34

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Solution

The fourth proportional to 18,786.16, 25,924.85 and 10,828.34 is: 14,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.16 : 25,924.85 = 10,828.34 : x
  2. Step 2: Convert to fraction form
    18,786.16/25,924.85 = 10,828.34/x
  3. Step 3: Cross multiply
    18,786.16x = 25,924.85 × 10,828.34
  4. Step 4: Simplify right side
    18,786.16x = 280,723,090.25
  5. Step 5: Solve for x
    x = 280,723,090.25/18,786.16
  6. Step 6: Final answer
    x = 14,943.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.